A garment device for wearing on a user's torso comprises a garment 1 with a pocket 2； and a belt 3； wherein the device comprises an anchor arranged to secure the belt 3 to the garment, the belt 3 including at least one free end. The garment further comprises a belt end fastening mechanism 5； the device arranged such that the belt 3 is arranged to move from a first position within the pocket 2 to a second position encircling the torso wherein in the second position the free end of the belt 3 fastens to the fastening mechanism 5. The garment may be used to provide support to a wear’s lower back during exercise.
